Kinne, O. (1995). Ecology of the North Sea: problems, successes, failures, future needs, in: Franke, H.-D. et al. (Ed.) The challenge to marine biology in a changing world: Proceedings of the International Symposium commemorating the Centenary of the Biologische Anstalt Helgoland, 13-18th September 1992. Helgoländer Meeresuntersuchungen, 49(1-4): pp. 303-312, more

Rick, H.-J.; Dürselen, C.-D. (1995). Importance and abundance of the recently established species Coscinodiscus wailesii Gran & Angst in the German Bight, in: Franke, H.-D. et al. (Ed.) The challenge to marine biology in a changing world: Proceedings of the International Symposium commemorating the Centenary of the Biologische Anstalt Helgoland, 13-18th September 1992. Helgoländer Meeresuntersuchungen, 49(1-4): pp. 355-374, more